Home / 51,308.40-76,962.60-48,902.70

Finding the Fourth Proportional to 51,308.40, 76,962.60 and 48,902.70

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Solution

The fourth proportional to 51,308.40, 76,962.60 and 48,902.70 is: 73,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,308.40 : 76,962.60 = 48,902.70 : x
  2. Step 2: Convert to fraction form
    51,308.40/76,962.60 = 48,902.70/x
  3. Step 3: Cross multiply
    51,308.40x = 76,962.60 × 48,902.70
  4. Step 4: Simplify right side
    51,308.40x = 3,763,678,939.02
  5. Step 5: Solve for x
    x = 3,763,678,939.02/51,308.40
  6. Step 6: Final answer
    x = 73,354.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.